121. Rate of doing work is called
122. The energy associated with motion is called
123. The boiling point of water decreases at higher altitudes is due to
124. At boiling point of liquids, its
125. Contact force is another name for ________
126. The rotational effect of a force on a body about an axis of rotation is described in terms of
127. At hill stations, the boiling point of water will be
128. Instrument used to measure the force and velocity of the wind is
129. When pressure is increased the melting point of ice
130. The wall of a dam is made thicker at the bottom than at the top because the pressure exerted by the water on the wall
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